Answer:
43.7
Explanation:
mole is equal mass concentration/ moler mass of MgCl²
11.7 g hope this helps and have a great day
Answer:
-1
Explanation:
Many of the common polyatomicions have an electrical charge of.
By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments. Fossils can tell us a lot about the past.
Answer:
its either B or C all i got hope that helps
Explanation:
